| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $26,084 | $21,240 |
| 2016 | $26,084 | N/A |
| 2017 | $35,236 | N/A |
| 2018 | $35,236 | $32,543 |
| 2019 | $24,964 | $22,014 |
| 2020 | $28,150 | $25,200 |
| 2021* | $28,150 | $22,947 |
| 2022* | $28,150 | $20,896 |
| 2023* | $28,150 | $19,028 |
| 2024* | $28,150 | $17,327 |
| 2025* | $28,150 | $15,778 |